CN115404725B

CN115404725B - Medical packaging paper and production process thereof

Info

Publication number: CN115404725B
Application number: CN202211131764.5A
Authority: CN
Inventors: 唐文华
Original assignee: Zhejiang Chuanghao New Material Co ltd
Current assignee: Zhejiang Chuanghao New Material Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-07-25
Anticipated expiration: 2042-09-16
Also published as: CN115404725A

Abstract

The invention belongs to the technical field of medical packaging paper, and particularly relates to medical packaging paper and a production process thereof.

Description

Medical packaging paper and production process thereof

Technical Field

Background

The medical packaging paper is special paper with high technical content and high added value. The medical packaging paper has the characteristics of high tensile strength, strong toughness, no water seepage, no oil seepage and the like; medical wrapping paper adopted in early China is as follows: the Chinese patent of CN87104360.2 discloses a production process and a product for producing medical dressing paper by adding polyamide-epichlorohydrin resin by using a common papermaking process, wherein cotton fiber is selected as a fiber base material, and polyamide-epichlorohydrin resin additive is added into pulp in the pulping process, wherein the addition amount is 0.5-1.5% (W/V); however, the medical packaging paper obtained by the process has lower air permeability and tensile strength;

in addition, continuous packaging paper needs to be rolled in the production process, and the continuous packaging paper needs to be subjected to tightness adjustment through a tensioning roller in the rolling process, so that a good rolling effect is achieved, the existing tensioning roller adjusting mode is single, sliding adjustment can be performed only in one direction, and the influence of the use environment is large.

Disclosure of Invention

The invention aims to solve the technical problems, provides medical packaging paper and a production process thereof, achieves the effect of improving the air permeability and tensile strength of the medical packaging paper, and simultaneously provides a winding machine with flexible adjustment of a tensioning roller and high winding efficiency to improve the production efficiency of the medical packaging paper.

In view of this, the invention provides a production process of medical packaging paper, which comprises the following steps:

s1, crushing log pulp, and preparing the crushed log pulp into pulp with the concentration of 3.8% and the beating degree of 18 DEG SR;

s2, adding terylene chemical fibers into the slurry, and mixing to obtain mixed slurry;

s3, adding a certain amount of PAE wet strength agent and polyethylene oxide into the mixed slurry, and forming, squeezing and dehydrating, drying, coiling, rewinding and slitting through an inclined wire papermaking net part to obtain base paper;

s4, dip coating the base paper by a coating machine, controlling the sizing amount to be 6-8 g/square meter, and obtaining the medical packaging paper product through drying, coiling, slitting and rewinding.

In the technical scheme, the polyethylene oxide has the performances of flocculation, thickening, slow release, lubrication, dispersion, retention, water retention and the like, after a proper amount of polyethylene oxide is added into wood pulp, the uniformity and softness of the base paper are improved, and terylene chemical fibers are added into the paper pulp, so that the softness and tensile strength of the base paper are improved; manufacturing by using an inclined wire paper machine, so as to ensure the uniformity of paper during coating;

the invention also discloses medical packaging paper which is prepared by adopting the production process;

the medical packaging paper prepared by the production process has stronger tensile strength and good printing and ventilation properties.

The invention also discloses a production device suitable for the production process, in particular to a winding machine, which comprises:

the rack comprises two side plates and a bottom plate, wherein the opposite side walls of the two side plates are respectively provided with an adjusting groove;

a guide roller arranged at one side of the inside of the frame;

the power shaft is arranged at one side of the inner part of the frame far away from the guide roller, and a winding roller is sleeved outside the power shaft;

the power mechanism is used for driving the power shaft to rotate;

the tensioning roller is arranged in the frame and positioned between the guide roller and the power shaft, and two ends of the tensioning roller penetrate through the adjusting groove and then extend to the outside of the frame;

and the adjusting mechanism is used for adjusting the position of the tensioning roller in the adjusting groove in multiple directions.

In this technical scheme, continuous wrapping paper is passed the guide roll after leading out through preceding equipment in proper order, the tensioning roller is rolled up on the wind-up roll, thereby power unit drive power shaft rotates and makes the power shaft drive the wind-up roll and rotate, with wrapping paper winding rolling on the wind-up roll, the speed of leading out of preceding equipment and the rotational speed of power roller hardly accomplish unanimity when just beginning the rolling, therefore the continuous wrapping paper in the frame is too loose or too tight with the contact of guide roll, tensioning roller easily, adjust the position of tensioning roller through adjustment mechanism diversified at this moment, with its tensioning when wrapping paper contact is too loose, loosen it when wrapping paper contact is too tight for power unit can gradually adjust to the same with the output speed of preceding equipment, guarantee the rolling effect of wrapping paper.

In the above technical scheme, further, adjustment mechanism includes two sets of adjusting parts that are located the frame both sides respectively, and every group adjusting part includes:

the base is arranged on the side wall of one side of the side plate far away from the tensioning roller;

the first end of the first swing rod is connected with the base;

the first end of the second swing rod is connected with the second end of the first swing rod, and the second end of the second swing rod is connected with the end part of the tensioning roller;

the first end of the first telescopic cylinder is connected with the base, and the second end of the first telescopic cylinder is connected with the side wall of the first swing rod;

the first end of the second telescopic cylinder is connected with the side wall of the first swing rod, and the second end of the second telescopic cylinder is connected with the side wall of the second swing rod;

the first telescopic cylinder and the second telescopic cylinder can respectively drive the first swing rod and the second swing rod to swing when working, so that the position of the tensioning roller in the adjusting groove is adjusted.

In the technical scheme, the second end of the first swing rod can be driven to swing by taking the first end of the first swing rod as a fulcrum when the first telescopic cylinder works and simultaneously drive the second swing rod to move, and the second end of the second swing rod can be driven to swing by taking the first end of the second swing rod (the second end of the first swing rod) as a fulcrum when the second telescopic cylinder works and simultaneously drive the tensioning roller to move in the adjusting groove.

In the above technical solution, further, the power mechanism includes:

the output shaft of the driving motor is detachably connected with the end part of the power shaft;

the mounting seat is used for bearing the driving motor, one side of the mounting seat, which is close to the rack, is provided with an adjusting rod, and the adjusting rod comprises a large shaft section, a small shaft section and a clamping section;

the sliding groove is arranged on the side wall of the side plate close to the mounting seat, is arranged along the vertical direction, and is provided with fixing grooves at the upper part and the lower part;

the fixed groove can be used for the adjusting rod to axially slide and enable the adjusting rod to be clamped in to fix the mounting seat and the side plate, the sliding groove can only be used for the small shaft section and the clamping position Duan Shuzhi to slide, and the power shaft is detachably connected with the frame.

In the technical scheme, after more packaging paper is wound on the winding roller, the winding roller can be disassembled to be replaced by a new winding roller, and continuous packaging paper is continuously wound; when the wind-up roller is required to be dismounted, the output shaft of the driving motor is dismounted from the end part of the power shaft, the mounting seat is pulled outwards to enable the adjusting rod to be separated from the fixed groove and to be opposite to the position of the sliding groove, then the mounting seat is slid downwards to enable the driving motor to be far away from the power shaft, the mounting seat is pushed inwards to enable the adjusting rod to be matched with the fixed groove at the lower part of the sliding groove, the power shaft is dismounted from the frame together with the wind-up roller, then the wind-up roller is dismounted from the power shaft, after a new wind-up roller is sleeved on the power shaft, the power roller is mounted on the frame together with the new wind-up roller, the mounting seat is pulled outwards to enable the adjusting rod to be separated from the fixed groove at the lower part of the sliding groove, then the mounting seat is slid upwards to enable the driving motor to be close to the power shaft, and when the adjusting rod is opposite to the fixed groove at the upper part of the sliding groove, the adjusting rod is pushed inwards to enable the adjusting rod to be matched with the fixed seat, and then the output shaft of the driving motor is connected with the end part of the power shaft to complete replacement of the wind-up roller.

In the above technical scheme, further, the mount pad bottom is equipped with the bracing piece, and the one end that the mount pad was kept away from to the bracing piece also is equipped with the regulation pole, is equipped with two sets of sliding tray and fixed slot along vertical direction interval on the curb plate lateral wall, and regulation pole on the mount pad and the regulation pole on the bracing piece cooperate with two sets of sliding tray and fixed slot respectively.

In this technical scheme, the setting of bracing piece has improved the supporting stability of mount pad, also sets up the regulation pole at the tip of bracing piece, like this at the mount pad reciprocate the in-process, the regulation pole of regulation pole on the mount pad and bracing piece tip slides in two sets of sliding tray respectively for the slip process is more stable, when with the fixed slot cooperation, two regulation poles cooperate with two fixed slots respectively, has improved the stability of mount pad under the static state.

In the above technical scheme, further, the mount pad bottom surface is equipped with the rack along vertical direction, and rack one side just is located the curb plate lateral wall and is equipped with drive gear, and drive gear and rack meshing are connected.

In this technical scheme, when needing upwards or downwardly moving the mount pad, rotate drive gear and rack engagement to drive the mount pad through the rack and reciprocate, adjust accurately, manual convenient operation and with low costs.

In the above technical solution, further, the thickness of the driving gear is greater than the thickness of the rack.

In this technical scheme, when adjusting pole and fixed slot cooperation and when the mount pad outwards draws, the rack can both keep with the state of drive gear meshing, has guaranteed the connection stability of drive gear and rack.

The beneficial effects of the invention are as follows:

1. the medical packaging paper prepared by the production process has stronger tensile strength and good printing and ventilation properties by improving the production process of the medical packaging paper;

2. by improving the winding machine, the position of the tension roller on the winding machine is adjusted more flexibly, so that the winding machine can be adjusted in multiple directions and can adapt to different use environments;

3. realize driving motor and power shaft's detachable connection through setting up mount pad, adjusting pole, sliding tray, fixed slot, rack, drive gear, be convenient for change the wind-up roll after the rolling is accomplished, and change the process of wind-up roll and can not cause interference and destruction to driving motor.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic side view of the present invention.

Fig. 3 is a schematic diagram of a connection state of a power mechanism and a power shaft in the present invention.

Fig. 4 is a schematic diagram of a structure of a power mechanism and a power shaft separated from each other in the present invention.

Fig. 5 is a schematic front view of the sliding groove in the present invention.

Fig. 6 is a schematic view of a partial enlarged structure at a in fig. 4.

Fig. 7 is a schematic view of a rack and drive gear mounting structure according to the present invention.

FIG. 8 is a schematic view of the thickness of the rack and the driving gear according to the present invention.

The label in the figure is:

the device comprises a 1-frame, a 2-adjusting groove, a 3-guide roller, a 4-power shaft, a 5-winding roller, a 601-driving motor, a 602-mounting seat, a 603-supporting rod, a 7-tensioning roller, an 8-base, a 9-first swinging rod, a 10-second swinging rod, a 11-first telescopic cylinder, a 12-second telescopic cylinder, a 13-adjusting rod, a 1301-large shaft section, a 1302-small shaft section, a 1303-clamping section, a 14-sliding groove, a 15-fixing groove, a 16-rack and a 17-driving gear.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1

The embodiment of the application provides a production process of medical packaging paper, which comprises the following steps:

In the embodiment, the raw wood pulp adopts imported pure wood pulp, the raw wood pulp is crushed by a crusher and is ground and pulped, the concentration of the obtained pulp is controlled to be 3.5-4.2wt%, the beating degree is 16-18 DEG SR, the adding amount of terylene chemical fiber is 26-30wt%, and the concentration of the mixed pulp is controlled to be 2.2-2.5wt%; the addition amount of the polyethylene oxide is about 0.2 weight percent based on the absolute dry pulp amount of the log pulp; the sizing amount is controlled to be 6-10 g/square meter during coating.

The equipment used in the processes of squeezing, dewatering, drying, coiling, rewinding, slitting and the like in the embodiment can be purchased from the market, and all the raw materials can be purchased from the market.

Example 2

The present example provides a medical wrapping paper made by the production process of example 1;

the detection and comparison results of the medical packaging paper of the embodiment and the domestic existing medical packaging paper are as follows:

the paper softness, paper uniformity and tensile strength of the medical packaging paper are all superior to those of the existing domestic products.

Example 3

The present embodiment provides a winding machine suitable for the production process of the foregoing embodiment;

referring to fig. 1-2, the winding machine of the present embodiment includes: the machine frame 1 comprises two side plates and a bottom plate, and the opposite side walls of the two side plates are provided with adjusting grooves 2; a guide roller 3 provided on one side of the inside of the frame 1; the power shaft 4 is arranged at one side of the inside of the frame 1 far away from the guide roller 3, and a winding roller 5 is sleeved outside the power shaft; a power mechanism for driving the power shaft 4 to rotate; a tension roller 7 provided inside the frame 1 and located between the guide roller 3 and the power shaft 4; an adjusting mechanism for adjusting the position of the tension roller 7 in the adjusting groove 2 in multiple directions.

In the embodiment, the guide roller 3 is horizontally arranged between the two side plates, two ends of the guide roller 3 are respectively and rotatably connected with the side walls of the two side plates, the power shaft 4 is horizontally arranged on the upper parts of the two side plates, the power mechanism is fixed on the upper part of the side wall of one side plate, the power mechanism is connected with the end part of the power shaft 4 so as to drive the power shaft 4 to rotate, the winding roller 5 is sleeved on the outer wall of the power shaft 4, and the winding roller 5 can wind and wind continuous packaging paper;

the width and the length of the regulating groove 2 are greater than the diameter of the tensioning roller 7, the tensioning roller 7 is horizontally arranged between the two side plates, the two ends of the tensioning roller 7 respectively penetrate through the regulating groove 2 and then extend to the outside of the frame 1 to be connected with a regulating mechanism, the tensioning roller 7 can rotate relative to the regulating mechanism, the position of the tensioning roller 7 in the regulating groove 2 can be regulated by the regulating mechanism, and accordingly, the distance between the tensioning roller 7 and the guide roller 3 and the winding roller 5 is regulated, and continuous packaging paper in the winding process is regulated in tensioning degree.

Example 4

The present embodiment provides a winding machine, which further discloses a structure of the adjusting mechanism, besides the characteristic structure of the foregoing embodiment;

in this embodiment, the adjusting mechanism includes two sets of adjusting members respectively located at two sides of the frame 1, and each set of adjusting members includes: a base 8 provided on a side wall of the side plate on a side away from the tension roller 7; the first end of the first swing rod 9 is connected with the base 8; the first end of the second swing rod 10 is connected with the second end of the first swing rod 9, and the second end of the second swing rod is connected with the end part of the tensioning roller 7; the first telescopic cylinder 11 is connected with the base 8 at the first end and connected with the side wall of the first swing rod 9 at the second end; the first end of the second telescopic cylinder 12 is connected with the side wall of the first swing rod 9, and the second end of the second telescopic cylinder is connected with the side wall of the second swing rod 10;

in this embodiment, the base 8 is fixed on the side wall of the side plate, the first end of the first swing rod 9 is rotationally connected with the base 8 through a rotating frame, the second swing rod 10 is provided with a rotating connecting groove at the first end, the first end of the first swing rod 9 is rotationally connected with the rotating connecting groove through a rotating shaft, the second end of the second swing rod 10 is provided with a connecting seat connected with the end of the tensioning roller 7, the end of the tensioning roller 7 is rotationally connected with the connecting seat, thus the first swing rod 9 can drive the second swing rod 10 and the tensioning roller 7 to move when swinging, the second swing rod 10 can drive the tensioning roller 7 to move when swinging, and the movement of different directions and different tracks of the tensioning roller 7 can be realized by respectively driving the first swing rod 9 and the second swing rod 10 to swing;

the driving of the first swing rod 9 and the second swing rod 10 is realized through a first telescopic cylinder 11 and a second telescopic cylinder 12, referring to fig. 1, the first telescopic cylinder 11 and the second telescopic cylinder 12 both comprise a cylinder body and a piston rod, the cylinder body of the first telescopic cylinder 11 is rotationally connected with the base 8, the piston rod of the first telescopic cylinder 11 is rotationally connected with the side wall of the first swing rod 9, and thus the first telescopic cylinder 11 drives the first swing rod 9 to swing by driving the piston rod to axially move; the cylinder body of the second telescopic cylinder 12 is rotationally connected with the side wall of the first swing rod 9, and the piston rod of the second telescopic cylinder 12 is rotationally connected with the side wall of the second swing rod 10, so that the second swing rod 10 is driven to swing.

Example 5

The present embodiment provides a winding machine, which further discloses a structure of the power mechanism, besides the characteristic structure of the foregoing embodiment;

as shown in fig. 3 to 6, the power mechanism in the present embodiment includes: a driving motor 601, the output shaft of which is detachably connected with the end of the power shaft 4; the mounting seat 602 is used for bearing the driving motor 601, one side of the mounting seat, which is close to the frame 1, is provided with an adjusting rod 13, and the adjusting rod 13 comprises a large shaft section 1301, a small shaft section 1302 and a clamping section 1303; a sliding groove 14 provided on a side wall of the side plate near the mount 602, which is provided in a vertical direction, and which is provided with fixing grooves 15 at an upper portion and a lower portion thereof; the fixing groove 15 can be used for axially sliding the adjusting rod 13 and enabling the adjusting rod 13 to be clamped into the mounting seat 602 to fix the side plate, and the sliding groove 14 can only be used for vertically sliding the small shaft section 1302 and the clamping section 1303, so that the power shaft 4 is detachably connected with the frame 1.

In this embodiment, referring to fig. 5, the large shaft section 1301, the small shaft section 1302 and the clamping section 1303 are cylindrical sections with coaxial arrangement and different diameters, the diameter of the large shaft section 1301 is larger than that of the small shaft section 1302 and the clamping section 1303, the diameter of the clamping section 1303 is larger than that of the small shaft section 1302, the fixing groove 15 comprises a large shaft groove matched with the large shaft section 1301 and a clamping groove matched with the clamping section 1303, and the fixing groove 15 is communicated with the sliding groove 14;

when the mounting seat 602 is static, the adjusting rod 13 is matched with the fixed groove 15, namely the clamping section 1303 is clamped in the clamping groove, the large shaft section 1301 and the small shaft section 1302 are positioned in the large shaft groove, when the mounting seat 602 needs to be moved, the mounting seat 602 is pulled outwards relative to the side plate, the large shaft section 1301 is withdrawn from the large shaft groove, the clamping section 1303 is withdrawn from the clamping groove, an auxiliary groove for the clamping section 1303 to vertically slide is formed on one side of the sliding groove 14, at the moment, the position of the small shaft section 1302 is opposite to that of the sliding groove 14, and the small shaft section 1302 can slide upwards or downwards in the sliding groove 14 to realize the up-and-down movement of the mounting seat 602;

the driving motor 601 and the power shaft 4 can be connected through a coupling, and can be directly connected, a polygonal clamping part with a polygonal cross section is arranged at the end part of the output shaft of the driving motor 601, a clamping groove matched with the clamping part is arranged at the end part of the power shaft 4, the output shaft of the driving motor 601 can drive power to rotate after the clamping part is clamped into the clamping groove, and the mounting and dismounting of the clamping part and the clamping groove can be realized through the pulling-out and pushing-in of the opposite side plates of the mounting seat 602.

Example 6

The embodiment provides a winding machine, which comprises the characteristic structure of the previous embodiment and further improves a power mechanism;

in this embodiment, an inclined support rod 603 is arranged at the bottom of the mounting seat 602, an adjusting rod 13 is also arranged at one end of the support rod 603 away from the mounting seat 602, two groups of sliding grooves 14 and fixing grooves 15 are arranged on the side wall of the side plate at intervals along the vertical direction, and the adjusting rod 13 on the mounting seat 602 and the adjusting rod 13 on the support rod 603 are respectively matched with the two groups of sliding grooves 14 and the fixing grooves 15;

thus, the supporting rod 603 can assist in supporting the mounting seat 602, and stability of the mounting seat 602 in a static state is improved;

referring to fig. 4, two sets of sliding grooves 14 and fixing grooves 15 are disposed on the side walls of the side plates at intervals along the vertical direction, one fixing groove 15 is disposed on each of the upper and lower portions of the sliding grooves 14, and an adjusting rod 13 is disposed at the end of the lower end of the supporting rod 603, where the adjusting rod 13 is identical in structure and parallel to the adjusting rod 13 on the mounting seat 602, and when the mounting seat 602 moves up and down, the two adjusting rods 13 slide in the two sets of sliding grooves 14 respectively, thereby improving the stability of the mounting seat 602 in the moving process.

Example 7

The present embodiment provides a winding machine, which includes the features of the foregoing embodiments, and further improves the moving manner of the mounting base 602;

referring to fig. 7, in this embodiment, a rack 16 is disposed on the bottom surface of the mounting seat 602 along the vertical direction, a driving gear 17 is disposed on one side of the rack 16 and on the side wall of the side plate, the driving gear 17 is rotationally connected with the side plate through a rotation shaft, a handle is further disposed at the end of the rotation shaft away from one end of the side plate, and the driving gear 17 is engaged with the rack 16.

When the mounting seat 602 needs to be moved up and down, the handle drives the rotating shaft to rotate so as to drive the driving gear 17 to rotate, the driving gear 17 is meshed with the driving rack 16 to move, and the rack 16 drives the mounting seat 602 to slide up and down;

it should be noted that, in addition to the unexpected up-and-down movement, the movement of the mounting base 602 includes the outward pulling (i.e., switching to the moving state) of the opposite side plate and the inward pushing (i.e., switching to the stationary state) of the opposite side plate, and the rack 16 is engaged with the driving gear 17 after the mounting base 602 is pulled out.

Example 8

The present embodiment provides a winding machine, which is improved in the structure of the drive gear 17 and the rack 16 in addition to the characteristic structure of the foregoing embodiment;

referring to fig. 8, in the present embodiment, the thickness of the driving gear 17 is greater than the thickness of the rack 16;

in this case, the rack 16 is always engaged with the driving gear 17, regardless of whether the mount 602 is in a moving state or a stationary state, which is advantageous in stabilizing the connection of the driving gear 17 with the rack 16.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. The production process of the medical packaging paper is characterized by comprising the following steps of:

s1, crushing log pulp, and preparing the log pulp into pulp with the concentration of 3.8%, wherein the beating degree of the pulp is 18 DEG SR;

s4, dip coating the base paper by a coating machine, controlling the sizing amount to be 6-8 g/square meter, and obtaining a medical packaging paper product through drying, coiling, slitting and rewinding;

still include the rolling machine, the rolling machine includes:

the machine frame (1) comprises two side plates and a bottom plate, and adjusting grooves (2) are formed in the opposite side walls of the two side plates;

a guide roller (3) provided on one side of the inside of the frame (1);

the power shaft (4) is arranged at one side of the interior of the frame (1) far away from the guide roller (3), and a winding roller (5) is sleeved outside the power shaft;

a power mechanism for driving the power shaft (4) to rotate;

the tensioning roller (7) is arranged inside the frame (1) and is positioned between the guide roller (3) and the power shaft (4), and two ends of the tensioning roller penetrate through the adjusting groove (2) and then extend to the outside of the frame (1);

an adjusting mechanism for adjusting the position of the tensioning roller (7) in the adjusting groove (2) in multiple directions;

the power mechanism includes:

a driving motor (601), the output shaft of which is detachably connected with the end part of the power shaft (4);

the mounting seat (602) is used for bearing the driving motor (601), one side of the mounting seat, which is close to the rack (1), is provided with an adjusting rod (13), and the adjusting rod (13) comprises a large shaft section (1301), a small shaft section (1302) and a clamping section (1303);

a sliding groove (14) which is arranged on the side wall of the side plate close to the mounting seat (602) and is arranged along the vertical direction, and the upper part and the lower part of the sliding groove are respectively provided with a fixed groove (15);

the fixing groove (15) can enable the adjusting rod (13) to axially slide and enable the adjusting rod (13) to be clamped in to fix the mounting seat (602) and the side plate, the sliding groove (14) can only enable the small shaft section (1302) and the clamping section (1303) to vertically slide, and the power shaft (4) is detachably connected with the frame (1);

the adjusting mechanism comprises two groups of adjusting pieces which are respectively positioned at two sides of the frame (1), and each group of adjusting pieces comprises:

a base (8) provided on a side wall of the side plate on a side away from the tension roller (7);

the first end of the first swing rod (9) is connected with the base (8);

the first end of the second swing rod (10) is connected with the second end of the first swing rod (9), and the second end of the second swing rod is connected with the end part of the tensioning roller (7);

the first telescopic cylinder (11) is connected with the base (8) at the first end and connected with the side wall of the first swing rod (9) at the second end;

the first end of the second telescopic cylinder (12) is connected with the side wall of the first swing rod (9), and the second end of the second telescopic cylinder is connected with the side wall of the second swing rod (10);

the first telescopic cylinder (11) and the second telescopic cylinder (12) can respectively drive the first swing rod (9) and the second swing rod (10) to swing when in operation so as to adjust the position of the tensioning roller (7) in the adjusting groove (2);

the mounting seat (602) bottom is equipped with bracing piece (603), bracing piece (603) are kept away from the one end of mount pad (602) also is equipped with regulation pole (13), be equipped with two sets of sliding tray (14) and fixed slot (15) along vertical direction interval on the curb plate lateral wall, regulation pole (13) on mount pad (602) with regulation pole (13) on bracing piece (603) cooperate with two sets of sliding tray (14) and fixed slot (15) respectively.

2. The process for producing a medical packaging paper according to claim 1, wherein: the bottom surface of the mounting seat (602) is provided with a rack (16) along the vertical direction, one side of the rack (16) is provided with a driving gear (17) on the side wall of the side plate, and the driving gear (17) is in meshed connection with the rack (16).

3. The process for producing a medical packaging paper according to claim 2, wherein: the thickness of the driving gear (17) is larger than that of the rack (16).